n, m = map(int, input().split())
qn = [1]
for i in range(2, 10000000):
	v = pow(i, n)
	if v - qn[-1] > m:
		print("impossible")
		quit()
	for j in range(i-2, -1, -1):
		if m % (v - qn[j]) == 0:
			print(i-(j+1), i)
			quit()
	qn.append(v)